package com.cos.lession52.services;

import com.cos.lession52.entity.Emp;

import java.util.List;

/**
 * @author: COS
 * @time: 2022/3/7 9:08
 * @description:
 */
public interface EmpServices {
    void show();

    int add();

    void update();

    void del();

    String getMsg();


    List<Emp> getAll();
    boolean addEmp(Emp es) throws Exception;
}
